One 3-D technology uses low-cost polarized glasses.

VOA: special.2010.01.26

At Notre Dame Sunday, President Obama took on the issue that has dogged his visit and sharply divided and polarized Americans for decades - abortion.

VOA: standard.2009.05.17

But the good will and high hopes so evident in January quickly gave way to the realities of trying to achieve results in politically polarized Washington.

VOA: standard.2009.12.29

Mr.Zuma had battled corruption and rape charges in court cases that polarized public opinion.

VOA: standard.2009.04.25